RHS 180x130x12.7 Açotubo · Weight & Dimensions

Açotubo, cold-formed sections · Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

Also known as: PTR 180x130 (México) · Caño estructural 180x130 (Argentina)

The RHS 180x130x12.7 steel profile weighs 53.5 kg/m (35.95 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 6,813.482 mm². Moment of inertia Ix = 2,778.867 cm⁴, Iy = 1,658.849 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	130 mm	5.12 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	53.5 kg/m	35.95 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,813.48 mm²	10.561 in²
Moment of inertia (Ix)	2,778.87 cm⁴	66.76 in⁴
Moment of inertia (Iy)	1,658.85 cm⁴	39.85 in⁴
Elastic section modulus (Sx)	308.76 cm³	18.842 in³
Elastic section modulus (Sy)	255.21 cm³	15.574 in³
Plastic section modulus (Zx)	391.59 cm³	23.897 in³
Plastic section modulus (Zy)	311.62 cm³	19.016 in³
Radius of gyration (rx)	6.39 cm	2.514 in
Radius of gyration (ry)	4.93 cm	1.943 in